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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Debian: Cannot get hardware acceleration in Firefox (discuss.tchncs.de)

submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]

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Can anyone explain to me how I can get hardware acceleration to work in Firefox running on Debian? I have tried both default the packaged ESR and the the latest Firefox release directly form Mozilla.

All I ever get is "blocked by platform" in about:support and I have tried everything suggested in the Debian and Arch wiki. 🤷
https://wiki.debian.org/Firefox#Hardware_Video_Acceleration https://wiki.archlinux.org/title/Firefox#Hardware_video_acceleration

Running Debian 12 / Bookworm, Xfce, using Intel HD Graphics 530 (I'm using an Intel Core i7-6820HQ).

Edit: Looks like I found the cause for my problems: https://discuss.tchncs.de/comment/474822

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[–] [email protected] 2 points 1 year ago* (last edited 1 year ago)

Well, looks like I have found the cause: the TearFree set to true appears to block HW compositing / acceleration in Firefox: https://wiki.archlinux.org/title/intel_graphics#Tearing I have now removed the config file and hardware accelerated video decoding now works just fine while running both Xfce and KDE Plasma.

Thanks for all the input!